Paul Harris
Sam Groom
Kelly Leonard
Sara Botsford
Skip
Jon Wise
Liz
Wendy Bushell
Doctor Gordon
Roger Dunn
George Faskins
Scatman Crothers
Dr. Louis Spenser
Cec Linder
Trudy White
Lisa Langlois
Martha
Lesleh Donaldson
Mel Dederick
James B. Douglas
Tim Harris
Lee-Max Walton
Matt
Joseph Kelly
Hoserman
Kevin Foxx
Director
Robert Clouse
Screenplay
Charles H. Eglee
Special Effects Makeup Artist
Allan A. Apone
Douglas J. White
Francisco X. Pérez
Kenny Myers
Original Music Composer
Anthony Guefen
Editor
Ron Wisman
Casting
Cathy Henderson
Executive Producer
J. Gordon Arnold
Director of Photography
René Verzier
Producer
Paul Kahnert
Art Direction
Ninkey Dalton
Jeff Schechtman
Novel
James Herbert